16th century German book dial, Bliss Collection of Astronomical Instruments
DF_2000
16th century German book dial, Bliss Collection of Astronomical Instruments
2018
Digital Photographs
When opened, the dial's cover and base form an angle. The central string that connects them casts a shadow that marks the time at 48 degrees latitude. The compass serves to orient the dial north and south, and the lines marked on the base and cover indicate the shadow direction for each hour.
Germany
American Museum of Natural History Library
Information on rights available at the repository.
American Museum of Natural History
Collection
Citation
Finnin, Denis (photographer), “16th century German book dial, Bliss Collection of Astronomical Instruments,” AMNH Research Library | Digital Special Collections, accessed February 7, 2025, https://lbry-web-007.amnh.org/digital/index.php/items/show/85873.